Our classic boot 1460 unisex version 8 eyelets 100% vegan. Our black Felix Rub Off is a very bright synthetic material with a very nice touch and a subtle two-tone finish. But still the boot remains a Doc in the center displays yellow stitch and our sole flagship air chamber that is resistant to oil and grease, abrasion and slip. And the best part is that the sole is attached with one of the best methods of construction: Goodyear addresses.